599   #define ECB_CLANG_BUILTIN(x) __has_builtin (x)  argument
601   #define ECB_CLANG_BUILTIN(x) 0  argument
605   #define ECB_CLANG_EXTENSION(x) __has_extension (x)  argument
607   #define ECB_CLANG_EXTENSION(x) 0  argument
855   #define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type  argument
857   #define ecb_decltype(x) __typeof__ (x)  argument
921   #define ecb_ld32(x)      (__builtin_clz      (x) ^ 31)  argument
922   #define ecb_ld64(x)      (__builtin_clzll    (x) ^ 63)  argument
923   #define ecb_ctz32(x)      __builtin_ctz      (x)  argument
924   #define ecb_ctz64(x)      __builtin_ctzll    (x)  argument
925   #define ecb_popcount32(x) __builtin_popcount (x)  argument
928   ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
930   ecb_ctz32 (uint32_t x)  in ecb_ctz32()  argument
934     _BitScanForward (&r, x);  in ecb_ctz32()
939     x &= ~x + 1; /* this isolates the lowest bit */  in ecb_ctz32()
942     r += !!(x & 0xaaaaaaaa) << 0;  in ecb_ctz32()
943     r += !!(x & 0xcccccccc) << 1;  in ecb_ctz32()
944     r += !!(x & 0xf0f0f0f0) << 2;  in ecb_ctz32()
945     r += !!(x & 0xff00ff00) << 3;  in ecb_ctz32()
946     r += !!(x & 0xffff0000) << 4;  in ecb_ctz32()
948     if (x & 0xaaaaaaaa) r +=  1;  in ecb_ctz32()
949     if (x & 0xcccccccc) r +=  2;  in ecb_ctz32()
950     if (x & 0xf0f0f0f0) r +=  4;  in ecb_ctz32()
951     if (x & 0xff00ff00) r +=  8;  in ecb_ctz32()
952     if (x & 0xffff0000) r += 16;  in ecb_ctz32()
959   ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
961   ecb_ctz64 (uint64_t x)  in ecb_ctz64()  argument
965     _BitScanForward64 (&r, x);  in ecb_ctz64()
968     int shift = x & 0xffffffff ? 0 : 32;  in ecb_ctz64()
969     return ecb_ctz32 (x >> shift) + shift;  in ecb_ctz64()
973   ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
975   ecb_popcount32 (uint32_t x)  in ecb_popcount32()  argument
977     x -=  (x >> 1) & 0x55555555;  in ecb_popcount32()
978     x  = ((x >> 2) & 0x33333333) + (x & 0x33333333);  in ecb_popcount32()
979     x  = ((x >> 4) + x) & 0x0f0f0f0f;  in ecb_popcount32()
980     x *= 0x01010101;  in ecb_popcount32()
982     return x >> 24;  in ecb_popcount32()
985   ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
986   ecb_function_ ecb_const int ecb_ld32 (uint32_t x)  in ecb_ld32()  argument
990     _BitScanReverse (&r, x);  in ecb_ld32()
995     if (x >> 16) { x >>= 16; r += 16; }  in ecb_ld32()
996     if (x >>  8) { x >>=  8; r +=  8; }  in ecb_ld32()
997     if (x >>  4) { x >>=  4; r +=  4; }  in ecb_ld32()
998     if (x >>  2) { x >>=  2; r +=  2; }  in ecb_ld32()
999     if (x >>  1) {           r +=  1; }  in ecb_ld32()
1005   ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
1006   ecb_function_ ecb_const int ecb_ld64 (uint64_t x)  in ecb_ld64()  argument
1010     _BitScanReverse64 (&r, x);  in ecb_ld64()
1015     if (x >> 32) { x >>= 32; r += 32; }  in ecb_ld64()
1017     return r + ecb_ld32 (x);  in ecb_ld64()
1022 ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
1023 ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }  in ecb_is_pot32()  argument
1024 ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
1025 ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }  in ecb_is_pot64()  argument
1027 ecb_function_ ecb_const uint8_t  ecb_bitrev8  (uint8_t  x);
1028 ecb_function_ ecb_const uint8_t  ecb_bitrev8  (uint8_t  x)  in ecb_bitrev8()  argument
1030   return (  (x * 0x0802U & 0x22110U)  in ecb_bitrev8()
1031           | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;  in ecb_bitrev8()
1034 ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
1035 ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)  in ecb_bitrev16()  argument
1037   x = ((x >>  1) &     0x5555) | ((x &     0x5555) <<  1);  in ecb_bitrev16()
1038   x = ((x >>  2) &     0x3333) | ((x &     0x3333) <<  2);  in ecb_bitrev16()
1039   x = ((x >>  4) &     0x0f0f) | ((x &     0x0f0f) <<  4);  in ecb_bitrev16()
1040   x = ( x >>  8              ) | ( x               <<  8);  in ecb_bitrev16()
1042   return x;  in ecb_bitrev16()
1045 ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
1046 ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)  in ecb_bitrev32()  argument
1048   x = ((x >>  1) & 0x55555555) | ((x & 0x55555555) <<  1);  in ecb_bitrev32()
1049   x = ((x >>  2) & 0x33333333) | ((x & 0x33333333) <<  2);  in ecb_bitrev32()
1050   x = ((x >>  4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) <<  4);  in ecb_bitrev32()
1051   x = ((x >>  8) & 0x00ff00ff) | ((x & 0x00ff00ff) <<  8);  in ecb_bitrev32()
1052   x = ( x >> 16              ) | ( x               << 16);  in ecb_bitrev32()
1054   return x;  in ecb_bitrev32()
1059 ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
1061 ecb_popcount64 (uint64_t x)  in ecb_popcount64()  argument
1063   return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);  in ecb_popcount64()
1066 ecb_inline ecb_const uint8_t  ecb_rotl8  (uint8_t  x, unsigned int count);
1067 ecb_inline ecb_const uint8_t  ecb_rotr8  (uint8_t  x, unsigned int count);
1068 ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
1069 ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
1070 ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
1071 ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
1072 ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
1073 ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
1075 …_inline ecb_const uint8_t  ecb_rotl8  (uint8_t  x, unsigned int count) { return (x >> ( 8 - count)…  in ecb_rotl8()  argument
1076 …_inline ecb_const uint8_t  ecb_rotr8  (uint8_t  x, unsigned int count) { return (x << ( 8 - count)…  in ecb_rotr8()  argument
1077 …_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)…  in ecb_rotl16()  argument
1078 …_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)…  in ecb_rotr16()  argument
1079 …_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)…  in ecb_rotl32()  argument
1080 …_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)…  in ecb_rotr32()  argument
1081 …_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)…  in ecb_rotl64()  argument
1082 …_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)…  in ecb_rotr64()  argument
1086   #define ecb_bswap16(x)  __builtin_bswap16 (x)  argument
1088   #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)  argument
1090   #define ecb_bswap32(x)  __builtin_bswap32 (x)  argument
1091   #define ecb_bswap64(x)  __builtin_bswap64 (x)  argument
1094   #define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))  argument
1095   #define ecb_bswap32(x) ((uint32_t)_byteswap_ulong  ((uint32_t)(x)))  argument
1096   #define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))  argument
1098   ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
1100   ecb_bswap16 (uint16_t x)  in ecb_bswap16()  argument
1102     return ecb_rotl16 (x, 8);  in ecb_bswap16()
1105   ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
1107   ecb_bswap32 (uint32_t x)  in ecb_bswap32()  argument
1109     return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);  in ecb_bswap32()
1112   ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
1114   ecb_bswap64 (uint64_t x)  in ecb_bswap64()  argument
1116     return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);  in ecb_bswap64()
1197 ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
1199 ecb_binary16_to_binary32 (uint32_t x)  in ecb_binary16_to_binary32()  argument
1201   unsigned int s = (x & 0x8000) << (31 - 15);  in ecb_binary16_to_binary32()
1202   int          e = (x >> 10) & 0x001f;  in ecb_binary16_to_binary32()
1203   unsigned int m =  x        & 0x03ff;  in ecb_binary16_to_binary32()
1229 ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
1231 ecb_binary32_to_binary16 (uint32_t x)  in ecb_binary32_to_binary16()  argument
1233   unsigned int s =  (x >> 16) & 0x00008000; /* sign bit, the easy part */  in ecb_binary32_to_binary16()
1234   unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */  in ecb_binary32_to_binary16()
1235   unsigned int m =   x        & 0x007fffff;  in ecb_binary32_to_binary16()
1237   x &= 0x7fffffff;  in ecb_binary32_to_binary16()
1240   if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))  in ecb_binary32_to_binary16()
1256   if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))  in ecb_binary32_to_binary16()
1260   if (ecb_expect_true (x < 0x38800000))  in ecb_binary32_to_binary16()
1263       if (ecb_expect_true (!x))  in ecb_binary32_to_binary16()
1337     #define ecb_ldexpf(x,e) ldexpf ((x), (e))  argument
1338     #define ecb_frexpf(x,e) frexpf ((x), (e))  argument
1340     #define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))  argument
1341     #define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))  argument
1345   ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1347   ecb_float_to_binary32 (float x)  in ecb_float_to_binary32()  argument
1352       memcpy (&r, &x, 4);  in ecb_float_to_binary32()
1358       if (x == 0e0f                    ) return 0x00000000U;  in ecb_float_to_binary32()
1359       if (x > +3.40282346638528860e+38f) return 0x7f800000U;  in ecb_float_to_binary32()
1360       if (x < -3.40282346638528860e+38f) return 0xff800000U;  in ecb_float_to_binary32()
1361       if (x != x                       ) return 0x7fbfffffU;  in ecb_float_to_binary32()
1363       m = ecb_frexpf (x, &e) * 0x1000000U;  in ecb_float_to_binary32()
1385   ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
1387   ecb_binary32_to_float (uint32_t x)  in ecb_binary32_to_float()  argument
1392       memcpy (&r, &x, 4);  in ecb_binary32_to_float()
1395       int neg = x >> 31;  in ecb_binary32_to_float()
1396       int e = (x >> 23) & 0xffU;  in ecb_binary32_to_float()
1398       x &= 0x7fffffU;  in ecb_binary32_to_float()
1401         x |= 0x800000U;  in ecb_binary32_to_float()
1406       r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);  in ecb_binary32_to_float()
1415   ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
1417   ecb_double_to_binary64 (double x)  in ecb_double_to_binary64()  argument
1422       memcpy (&r, &x, 8);  in ecb_double_to_binary64()
1428       if (x == 0e0                     ) return 0x0000000000000000U;  in ecb_double_to_binary64()
1429       if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;  in ecb_double_to_binary64()
1430       if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;  in ecb_double_to_binary64()
1431       if (x != x                       ) return 0X7ff7ffffffffffffU;  in ecb_double_to_binary64()
1433       m = frexp (x, &e) * 0x20000000000000U;  in ecb_double_to_binary64()
1455   ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
1457   ecb_binary64_to_double (uint64_t x)  in ecb_binary64_to_double()  argument
1462       memcpy (&r, &x, 8);  in ecb_binary64_to_double()
1465       int neg = x >> 63;  in ecb_binary64_to_double()
1466       int e = (x >> 52) & 0x7ffU;  in ecb_binary64_to_double()
1468       x &= 0xfffffffffffffU;  in ecb_binary64_to_double()
1471         x |= 0x10000000000000U;  in ecb_binary64_to_double()
1476       r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);  in ecb_binary64_to_double()
1485   ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
1487   ecb_float_to_binary16 (float x)  in ecb_float_to_binary16()  argument
1489     return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));  in ecb_float_to_binary16()
1493   ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
1495   ecb_binary16_to_float (uint16_t x)  in ecb_binary16_to_float()  argument
1497     return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));  in ecb_binary16_to_float()